Datasheet Texas Instruments TS3A227ERVAR — 数据表

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SCDS358B – NOVEMBER 2014 – REVISED FEBRUARY 2015 TS3A227E Autonomous Audio Accessory Detection and Configuration Switch
1 Features 3 Description The TS3A227E is an autonomous audio accessory
detection and configuration switch that detects 3-pole
or 4-pole audio accessories and configures internal
switches to route the signals accordingly. 1 Supple Range of 2.5 V to 4.5 V
Accessory Insertion/Removal Detection with
Adjustable De-bounce Timings
Accessory Configuration Detection:
– Stereo 3-pole Headphone
– 4-pole Standard Headset with MIC on Sleeve
– 4-pole OMTP Headset with MIC on Ring2
Key Press Detection for Up to 4 Keys
Ultra Low Ground FET RON of 60 mО©
Power Off Noise Removal
Isolation of MICBIAS From Audio Jack to Remove
Click/Pop Noise
Integrated Codec Sense Line …